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230010222 = 231319115439
BaseRepresentation
bin11011011010110…
…10110101101110
3121000210201201010
431231122311232
5432340311342
634453530050
75462024511
oct1555326556
9530721633
10230010222
111089200a2
1265043926
1338863b30
1422794d78
15152d629c
hexdb5ad6e

230010222 has 32 divisors (see below), whose sum is σ = 498032640. Its totient is φ = 70397280.

The previous prime is 230010217. The next prime is 230010239. The reversal of 230010222 is 222010032.

It is a junction number, because it is equal to n+sod(n) for n = 230010198 and 230010207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7179 + ... + 22617.

It is an arithmetic number, because the mean of its divisors is an integer number (15563520).

Almost surely, 2230010222 is an apocalyptic number.

230010222 is an abundant number, since it is smaller than the sum of its proper divisors (268022418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230010222 is a wasteful number, since it uses less digits than its factorization.

230010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15648.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 230010222 is about 15166.0878937187. The cubic root of 230010222 is about 612.7016441180.

Adding to 230010222 its reverse (222010032), we get a palindrome (452020254).

The spelling of 230010222 in words is "two hundred thirty million, ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 191 382 573 1146 2483 4966 7449 14898 15439 30878 46317 92634 200707 401414 602121 1204242 2948849 5897698 8846547 17693094 38335037 76670074 115005111 230010222